Geneva, November 8th-9th, 2025
Geneva, Nov 07, 2026
LONGINES, SWITZERLAND, ''TORPEDO-BOAT WATCH'', “TORPEDO-BOAT WATCH”, FIRST-CLASS NEUCHÂTEL OBSERVATORY CHRONOMETER, CALIBRE 24.99, 50-HOUR POWER RESERVE, 925 STERLING SILVER
A very fine, heavy, over-size and rare, sterling silver, manual wind open face, keyless deck and pocket ''Chronometre de bord'' lever Chronometer with Guillaume balance. Silver dial, subsidiary seconds dial at 6 o'clock, blue steel spade hands, with 50 hours power reserve indication (sector at 12 o'clock).
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3-8 |
Good Slightly scratched |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |
Dial: 3-6-01 |
Good Slightly oxidized HANDS Original |
Brand Longines, Switzerland
Model ''Torpedo-boat watch''
Year Circa 1915
Movement No. 2517936
Case No. 2517936
Caliber 51 mm., 19 jewels, lever escapement, index-regulator with swan-neck spring and precision-regulating device for fast / slow by means of an eccentric snail, adjusted to 3 positions
Diameter 68 mm.
Signature Dial, case and movement
Accessories Accompanied by copies of the results from the Neuchâtel Observatory Trials of 1919 and 1920, and from the United States Naval Observatory, Washington, D.C., in 1922. Original wooden deck box
